Classification Information
Window glass as an integral component of non-metal windows, non-metal doors, and non-metal patio doors; non-metal windows; non-metal doors; non-metal patio doors
Nonmetallic Building MaterialsWindow glass as an integral component of non-metal windows, non-metal doors, and non-metal patio doors; non-metal windows; non-metal doors; non-metal patio doors
Nonmetallic Building Materials